Work up a sweat in this SweatVest Body Shaper  Choose from 1 or 2 pack  Choose from S-M or L-XL Hot sauna top is extremely lightweight and comfortable to wear even for long time periods Will create a sauna-like effect to increase core temperature when worn Comfortable to wear all-day Made from silver thermal material Heat-trapping polymer fabric Can increase the body heat to result in more sweat S-M:  Bust: 80-95 cm  Waist: 74-89 cm   Length: 57 cm L-XL:  Bust: 97-107 cm  Waist: 86-101 cm  Length: 63 cm   Buying Options:  9.99 pounds instead of 16.99 pounds for S-M - save 41%  19.99 pounds instead of 33.98 pounds for 2 pack - save 41%